Die of heavy milling cutter

By designing a heavy-duty milling cutter mold including a workbench, a lower mold, a clamp and an electric telescopic rod, the problem of difficulty in producing oblique hole heavy-duty milling cutters and prone to cracks on the orifice surface is solved, and the effect of improving yield and automated production is achieved.

CN222607755UActive Publication Date: 2025-03-14CHENGDU SANTON CEMENTED CARBIDE CO LTD
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Patent Information

Application Number
CN202420916215.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-28
Publication Date
2025-03-14
Estimated Expiration
2034-04-28

AI Technical Summary

Technical Problem

Traditional TPA press molds are difficult to produce oblique hole heavy-duty milling cutters normally, and cracks are easily generated on the orifice surface of the product, resulting in a decrease in yield.

Method used

A heavy-duty milling cutter mold is designed, using components such as workbench, lower mold, clamp and electric telescopic rod. The design of the first opening and second opening reduces the stress, and the movement mechanism of the clamp and slider realizes automatic ejection of the product.

Benefits of technology

It effectively reduces the risk of cracks in the orifice surface of the product, improves the product yield rate, and realizes the automatic production process of the product.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of milling cutters, and particularly relates to a mold of a heavy milling cutter, which comprises a workbench, a lower mold is placed on the upper surface of the workbench, the upper surface of the lower mold is an inclined surface, a first opening is formed in the upper surface of the lower mold, a second opening is formed in the lower surface of the lower mold, and the first opening is communicated with the second opening. And a mounting groove is formed in the center of the upper surface of the workbench, a fixing screw is in threaded connection with the inner wall of the mounting groove, the upper end of the fixing screw is slidably connected to the inner wall of the second open hole, and side plates are fixedly connected to the two sides of the workbench. Through the design of the first open hole and the second open hole, the effect of reducing stress is achieved, meanwhile, the effect of reducing cracks easily generated on the orifice face of a product is achieved, the yield of the product is increased, a first electric telescopic rod drives a clamping plate to move, the clamping plate drives a connecting rod to be inserted into a connecting hole in the moving process, and the clamping plate is prevented from being damaged. Through the design, the effect of conveniently fixing the lower die is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of milling cutters, in particular to a mould of a heavy milling cutter. Background Art

[0002] A milling cutter is a rotary tool with one or more teeth used for milling. Each tooth cuts off the excess of the workpiece intermittently in sequence during operation. Milling cutters are mainly used to process planes, steps, grooves, forming surfaces and cut off workpieces on milling machines.

[0003] As the competition in the heavy-duty milling cutter market becomes increasingly fierce, traditional heavy-duty milling cutters can no longer fully meet market demand. More and more heavy-duty milling cutters with inclined holes have emerged under this circumstance. Compared with traditional blades, the biggest feature of this blade is that the hole and the horizontal plane of the product present a certain angle. The angle makes it difficult for traditional TPA presses to produce. This difficulty is mainly reflected in the large product, the general TPA press mold has insufficient working surface, and cannot be produced normally. In addition, the product hole surface is prone to cracks and other unqualified products. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides a mold for a heavy-duty milling cutter, which solves the problem that cracks are easily generated on the orifice surface of the existing product.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mold for a heavy-duty milling cutter comprises a workbench, a lower mold is placed on the upper surface of the workbench, the upper surface of the lower mold is an inclined surface, a first opening is opened on the upper surface of the lower mold, and a second opening is opened on the lower surface of the lower mold, a mounting groove is opened at the center of the upper surface of the workbench, the inner wall of the mounting groove is threadedly connected with a fixing screw, the upper end of the fixing screw is slidably connected to the inner wall of the second opening, side panels are fixedly connected on both sides of the workbench, a first electric telescopic rod is fixedly connected inside the side panels, a splint is fixedly connected to the output end of the first electric telescopic rod, one end of the splint is fixedly connected to a connecting rod, the outer wall of the connecting rod is slidably connected with a connecting hole, the connecting hole is opened at the other end of the splint, and the splint is arranged in a mirror image.

[0006] As a preferred technical solution of the utility model, a slider is fixedly connected to the bottom of the clamping plate, and a slide groove is slidably connected to the outer wall of the slider, and the slide groove is opened on both sides of the upper surface of the workbench.

[0007] As a preferred technical solution of the utility model, a mounting hole is provided inside the slide groove, a ball is rotatably connected to the inner wall of the mounting hole, and the ball fits the outer wall of the slider.

[0008] As a preferred technical solution of the utility model, a bracket is fixedly connected to the lower surface of the workbench, and a bottom plate is fixedly connected to the lower surface of the bracket.

[0009] As a preferred technical solution of the utility model, a second electric telescopic rod is fixedly connected to the upper surface of the base plate, a connecting plate is fixedly connected to the output end of the second electric telescopic rod, a top rod is fixedly connected to the upper surface of the connecting plate, and the top rod is slidably connected to the inner wall of the fixing screw.

[0010] As a preferred technical solution of the utility model, the upper surface of the workbench is fixedly connected to a support frame, the upper surface of the support frame is fixedly connected to a top plate, the lower surface of the top plate is fixedly connected to a hydraulic cylinder, and the output end of the hydraulic cylinder is fixedly connected to an upper mold.

[0011] As a preferred technical solution of the utility model, a control panel is installed on one side of the workbench, and the control panel is electrically connected to the first electric telescopic rod, the second electric telescopic rod and the hydraulic cylinder.

[0012] Compared with the prior art, the utility model provides a mold for a heavy-duty milling cutter, which has the following beneficial effects:

[0013] 1. The mold of a heavy-duty milling cutter achieves the effect of reducing stress through the design of the first opening and the second opening, and at the same time achieves the effect of reducing the susceptibility of cracks to the orifice surface of the product, thereby increasing the yield rate of the product. The first electric telescopic rod is started, and the first electric telescopic rod drives the splint to move. During the movement, the splint drives the connecting rod to be inserted into the connecting hole. This design achieves the effect of conveniently fixing the lower mold.

[0014] 2. In the mold of a heavy-duty milling cutter, the splint drives the slider to move along the inner wall of the slide groove during the movement, and the ball bearing rotates along the outer wall of the slider during the movement. This design facilitates the movement of the splint, and the second electric telescopic rod is started through the control panel. The second electric telescopic rod drives the ejector rod of the connecting plate to move. The ejector rod ejects the product in the lower mold during the movement. This design facilitates the automatic ejection of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is the front view of the structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 3 This is a disassembled diagram of the lower mold structure of the utility model;

[0018] Figure 4It is a partial structural schematic diagram of the workbench of the utility model.

[0019] In the figure: 1. workbench; 2. lower mold; 3. inclined surface; 4. first opening; 5. second opening; 6. mounting groove; 7. fixing screw; 8. side panel; 9. first electric telescopic rod; 10. clamping plate; 11. connecting rod; 12. connecting hole; 13. slider; 14. slide groove; 15. mounting hole; 16. ball bearing; 17. bracket; 18. bottom plate; 19. second electric telescopic rod; 20. connecting plate; 21. ejector rod; 22. support frame; 23. top plate; 24. hydraulic cylinder; 25. upper mold. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Embodiment 1

[0022] See also Figure 1-4 In this embodiment: a heavy-duty milling cutter mold includes a workbench 1, a lower mold 2 is placed on the upper surface of the workbench 1, the upper surface of the lower mold 2 is an inclined surface 3, a first opening 4 is opened on the upper surface of the lower mold 2, and the taper of the first opening 4 is 8-12 degrees, and a second opening 5 is opened on the lower surface of the lower mold 2, and the taper of the second opening 5 is 11-17 degrees. This type of hole can change the taper of the hole shape. The taper at the bottom of the hole is made larger, while the top is made smaller. The smaller the taper, the smaller the force. The center of the upper surface of the workbench 1 A mounting groove 6 is provided at the workbench 1, and a fixing screw 7 is threadedly connected to the inner wall of the mounting groove 6. The upper end of the fixing screw 7 is slidably connected to the inner wall of the second opening 5. Side panels 8 are fixedly connected to both sides of the workbench 1, and a first electric telescopic rod 9 is fixedly connected to the inside of the side panel 8. A splint 10 is fixedly connected to the output end of the first electric telescopic rod 9, and one end of the splint 10 is fixedly connected to a connecting rod 11, and a connecting hole 12 is slidably connected to the outer wall of the connecting rod 11. The connecting hole 12 is provided at the other end of the splint 10, and the splint 10 is mirror-imaged.

[0023] In this embodiment, the design of the first opening 4 and the second opening 5 achieves the effect of reducing the stress, and at the same time achieves the effect of reducing the susceptibility of cracks to the product hole surface, thereby increasing the product yield rate. The first electric telescopic rod 9 is started, and the first electric telescopic rod 9 drives the splint 10 to move. During the movement, the splint 10 drives the connecting rod 11 to be inserted into the connecting hole 12. This design achieves the effect of conveniently fixing the lower mold 2.

[0024] Preferably, a slider 13 is fixedly connected to the bottom of the clamping plate 10 , and a slide groove 14 is slidably connected to the outer wall of the slider 13 . The slide groove 14 is opened on both sides of the upper surface of the workbench 1 .

[0025] Among them, the first electric telescopic rod 9 is started, and the first electric telescopic rod 9 drives the clamping plate 10 to move. During the movement, the clamping plate 10 drives the connecting rod 11 to be inserted into the connecting hole 12. This design achieves the effect of conveniently fixing the lower mold 2.

[0026] Preferably, a mounting hole 15 is provided inside the slide groove 14 , and a ball 16 is rotatably connected to the inner wall of the mounting hole 15 , and the ball 16 is in contact with the outer wall of the slider 13 .

[0027] The clamping plate 10 drives the slider 13 to move along the inner wall of the slide groove 14 during the movement, and the ball 16 rotates along the outer wall of the slider 13 during the movement. This design facilitates the movement of the clamping plate 10.

[0028] Furthermore, a bracket 17 is fixedly connected to the lower surface of the workbench 1 , and a bottom plate 18 is fixedly connected to the lower surface of the bracket 17 .

[0029] Among them, this design increases the stability of the device.

[0030] Furthermore, a second electric telescopic rod 19 is fixedly connected to the upper surface of the base plate 18 , a connecting plate 20 is fixedly connected to the output end of the second electric telescopic rod 19 , a top rod 21 is fixedly connected to the upper surface of the connecting plate 20 , and the top rod 21 is slidably connected to the inner wall of the fixing screw 7 .

[0031] Among them, the second electric telescopic rod 19 is started through the control panel, and the second electric telescopic rod 19 drives the ejector rod 21 of the connecting plate 20 to move. The ejector rod 21 ejects the product in the lower mold 2 during the movement. This design achieves the effect of facilitating the automatic ejection of the product.

[0032] Preferably, the upper surface of the workbench 1 is fixedly connected to a support frame 22 , the upper surface of the support frame 22 is fixedly connected to a top plate 23 , the lower surface of the top plate 23 is fixedly connected to a hydraulic cylinder 24 , and the output end of the hydraulic cylinder 24 is fixedly connected to an upper mold 25 .

[0033] The hydraulic cylinder 24 is started through the control panel, and the hydraulic cylinder 24 drives the upper die 25 to press the lower die 2. This design achieves the effect of facilitating product processing.

[0034] Furthermore, a control panel is installed on one side of the workbench 1 , and the control panel is electrically connected to the first electric telescopic rod 9 , the second electric telescopic rod 19 and the hydraulic cylinder 24 .

[0035] The working principle and use process of the utility model are as follows: when the device is needed, the fixing screw 7 is first installed on the workbench 1 by rotating the fixing screw 7, and then the lower mold 2 is placed on the fixing screw 7, and the top of the fixing screw 7 slides into the second opening 5 of the lower mold 2 to fix the lower mold 2, and then the first electric telescopic rod 9 is started through the control panel, and the first electric telescopic rod 9 drives the clamping plate 10 to move, and the clamping plate 10 drives the slider 13 to move along the inner wall of the sliding groove 14 during the movement, and the ball 16 moves along the inner wall of the sliding groove 14 during the movement of the slider 13. The outer wall of the slider 13 rotates, and the splint 10 drives the connecting rod 11 to be inserted into the connecting hole 12 during the movement. At this time, the splint 10 fixes the lower mold 2, and then the raw material is placed in the lower mold 2. The hydraulic cylinder 24 is started through the control panel, and the hydraulic cylinder 24 drives the upper mold 25 to press the lower mold 2. When the product is completed, the second electric telescopic rod 19 is started through the control panel, and the second electric telescopic rod 19 drives the ejector rod 21 of the connecting plate 20 to move. The ejector rod 21 ejects the product in the lower mold 2 during the movement, and the use of the device is completed at this time.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A heavy-duty milling cutter mold, comprising a workbench (1), characterized in that: A lower mold (2) is placed on the upper surface of the workbench (1), the upper surface of the lower mold (2) is an inclined surface (3), a first opening (4) is provided on the upper surface of the lower mold (2), a second opening (5) is provided on the lower surface of the lower mold (2), a mounting groove (6) is provided at the center of the upper surface of the workbench (1), a fixing screw (7) is threadedly connected to the inner wall of the mounting groove (6), and the upper end of the fixing screw (7) is slidably connected to the inner wall of the second opening (5), The workbench (1) is fixedly connected to side panels (8) on both sides, the inside of the side panels (8) is fixedly connected to a first electric telescopic rod (9), the output end of the first electric telescopic rod (9) is fixedly connected to a clamping plate (10), one end of the clamping plate (10) is fixedly connected to a connecting rod (11), the outer wall of the connecting rod (11) is slidably connected to a connecting hole (12), the connecting hole (12) is opened at the other end of the clamping plate (10), and the clamping plate (10) is arranged in a mirror image.

2. The heavy-duty milling cutter mold according to claim 1, characterized in that: A slider (13) is fixedly connected to the bottom of the clamping plate (10), and a slide groove (14) is slidably connected to the outer wall of the slider (13), and the slide groove (14) is opened on both sides of the upper surface of the workbench (1).

3. A heavy-duty milling cutter mold according to claim 2, characterized in that: A mounting hole (15) is provided inside the slide groove (14), and a ball (16) is rotatably connected to the inner wall of the mounting hole (15), and the ball (16) is in contact with the outer wall of the slider (13).

4. The heavy-duty milling cutter mold according to claim 1, characterized in that: The lower surface of the workbench (1) is fixedly connected to a bracket (17), and the lower surface of the bracket (17) is fixedly connected to a bottom plate (18).

5. The heavy-duty milling cutter mold according to claim 4, characterized in that: A second electric telescopic rod (19) is fixedly connected to the upper surface of the base plate (18); a connecting plate (20) is fixedly connected to the output end of the second electric telescopic rod (19); a top rod (21) is fixedly connected to the upper surface of the connecting plate (20); and the top rod (21) is slidably connected to the inner wall of the fixing screw (7).

6. The heavy-duty milling cutter mold according to claim 1, characterized in that: The upper surface of the workbench (1) is fixedly connected to a support frame (22), the upper surface of the support frame (22) is fixedly connected to a top plate (23), the lower surface of the top plate (23) is fixedly connected to a hydraulic cylinder (24), and the output end of the hydraulic cylinder (24) is fixedly connected to an upper mold (25).

7. The heavy-duty milling cutter mold according to claim 1, characterized in that: A control panel is installed on one side of the workbench (1), and the control panel is electrically connected to the first electric telescopic rod (9), the second electric telescopic rod (19) and the hydraulic cylinder (24).